|
public Write ( |
||
| endPoint | ||
| Résultat | void | |
public void Write(NetBuffer om)
{
if (MetaData == null) MetaData = "Null";
om.Write(MetaData);
om.Write(Data.Length);
om.Write(Data);
}
internal void DoSendDiscoveryRequest(
IPEndPoint endPoint,
bool useBroadcast,
NetDiscoveryRequest request,
float interval,
float timeout)
{
if (!m_netBase.m_isBound)
m_netBase.Start();
if (request == null)
{
m_netBase.LogVerbose("Creating discovery request " + m_nextRequestNumber);
request = new NetDiscoveryRequest(endPoint, m_nextRequestNumber++, useBroadcast, interval, timeout);
if (m_requests == null)
m_requests = new List<NetDiscoveryRequest>();
m_requests.Add(request);
}
string appIdent = m_netBase.m_config.ApplicationIdentifier;
NetBuffer data = new NetBuffer(appIdent.Length + 8);
// write app identifier
data.Write(appIdent);
// write netbase identifier to avoid self-discovery
data.Write(m_netBase.m_randomIdentifier);
// write request number
data.Write((ushort)request.Number);
m_netBase.LogWrite("Discovering " + endPoint.ToString() + "...");
m_netBase.QueueSingleUnreliableSystemMessage(NetSystemType.Discovery, data, endPoint, useBroadcast);
}
public override void Write(NetBuffer om)
{
base.Write(om);
om.Write(FollowerId.Count);
foreach(var obj in FollowerId)
{
om.Write(obj);
}
}
public void Write(NetBuffer om)
{
if (Address == null) Address = string.Empty;
if (ConnectName == null) ConnectName = string.Empty;
if (Information == null) ConnectName = string.Empty;
om.Write(Address);
om.Write(ConnectName);
om.Write(Information);
}
public override void Write(NetBuffer om)
{
base.Write(om);
om.Write(Followers.Count);
foreach(var obj in Followers)
{
om.Write(obj.Key);
om.Write(obj.Value);
}
}
public void Write(NetBuffer om)
{
om.Write(MessagePacketId);
om.Write(Number);
if (Bytes != null)
{
om.Write(Bytes.Length);
om.Write(Bytes);
}
else
{
om.Write(0);
}
}
public void Write(NetBuffer om)
{
if(Plugins != null)
{
om.Write(Plugins.Count);
foreach (var obj in Plugins)
{
om.Write(obj);
}
}
else
{
om.Write(0);
}
}
internal void Encode(NetBuffer intoBuffer)
{
Debug.Assert(m_sequenceNumber != -1);
// message type, netchannel and sequence number
intoBuffer.Write((byte)((int)m_type | ((int)m_sequenceChannel << 3)));
intoBuffer.Write((ushort)m_sequenceNumber);
// payload length
int len = m_data.LengthBytes;
intoBuffer.WriteVariableUInt32((uint)len);
// copy payload
intoBuffer.Write(m_data.Data, 0, len);
return;
}
internal void WriteStringTable(NetBuffer buffer, string str)
{
// Bits:
// 0: Does the actual string follows? (if so, send confirmation)
// 1: Is the value contained in the following 6 bits ONLY? (false = use one more byte for 14 bits total)
// 2-7: value
// 8-15: (possibly) value
int val;
if (!m_stringTable.TryGetValue(str, out val))
{
// new value
val = m_stringTable.Count;
if (val >= c_maxTabledStrings)
{
val = 0;
}
else
{
m_stringTableLookUp[val] = str;
val |= (1 << 16); // 1 means not acknowledged yet
m_stringTable[str] = val;
}
}
// is it known at destination?
bool known = (val < (1 << 16));
ushort actualVal = (ushort)val;
buffer.Write(known);
if (actualVal < 64)
{
buffer.Write(false);
buffer.Write(actualVal, 6);
} else {
buffer.Write(true);
buffer.Write(actualVal, 6 + 8);
}
if (!known)
buffer.Write(str);
}
public void HandlesAllItemsOnTheMessage()
{
var msg = new Message() { Items = { new Item() { Type = ItemType.SuccessfulJoin, Data = 143 }, new Item() { Type = ItemType.NewClient, Data = 3 }, new Item() { Type = ItemType.Player, Data = new Frenetic.Player.PlayerState() } } };
NetBuffer buffer = new NetBuffer();
buffer.Write(msg);
stubNetClient.Stub(me => me.CreateBuffer()).Return(buffer);
stubNetClient.Stub(me => me.ReadMessage(Arg<NetBuffer>.Is.Equal(buffer), out Arg<NetMessageType>.Out(NetMessageType.Data).Dummy)).Return(true);
clientNetworkSession.ClientJoined += delegate { };
var unprocessedMsg = clientNetworkSession.ReadNextMessage();
Assert.AreEqual(1, unprocessedMsg.Items.Count);
Assert.AreEqual(ItemType.Player, unprocessedMsg.Items[0].Type);
}
public NetBuffer ToBuffer()
{
if(IsComplete)
{
var Buffer = new NetBuffer();
var t = from p in PacketList orderby p.Number select p;
foreach(var obj in t)
{
Buffer.Write(obj.Bytes);
}
return Buffer;
}
return null;
}
public void ServerReceivesDataFromClientAndCreatesMessage()
{
NetBuffer tmpBuffer = new NetBuffer();
tmpBuffer.Write(new Message() { Items = { new Item() { Type = ItemType.NewClient, Data = 10 } } });
stubNetServer.Stub(x => x.CreateBuffer()).Return(tmpBuffer);
stubNetServer.Stub(x => x.ReadMessage(Arg<NetBuffer>.Is.Anything,
out Arg<NetMessageType>.Out(NetMessageType.Data).Dummy,
out Arg<INetConnection>.Out(stubNetConnection).Dummy))
.Return(true);
Message msg = serverNetworkSession.ReadNextMessage();
stubNetServer.AssertWasCalled(x => x.ReadMessage(Arg<NetBuffer>.Is.Equal(tmpBuffer),
out Arg<NetMessageType>.Out(NetMessageType.Data).Dummy,
out Arg<INetConnection>.Out(stubNetConnection).Dummy));
Assert.AreEqual(ItemType.NewClient, msg.Items[0].Type);
Assert.AreEqual(10, msg.Items[0].Data);
}
internal string ReadStringTable(NetBuffer buffer)
{
byte b = buffer.ReadByte();
bool stringFollows = ((b & 1) == 0);
bool shortVal = ((b & 2) == 0);
int val = 0;
if (shortVal)
val = b >> 2;
else
val = ((b & (255 << 2)) << 6) | buffer.ReadByte();
string retval = string.Empty;
if (stringFollows)
{
retval = buffer.ReadString();
m_stringTable[retval] = val;
m_stringTableLookUp[val] = retval;
//
// Send confirmation
//
NetBuffer buf = new NetBuffer(2);
buf.Write((ushort)val);
m_owner.QueueSingleUnreliableSystemMessage(
NetSystemType.StringTableAck,
buf,
m_remoteEndPoint,
false
);
return retval;
}
if (!m_stringTableLookUp.TryGetValue(val, out retval))
{
// Ack! Failed to find string table value!
throw new Exception("ACK!");
}
return retval;
}
public void Write(NetBuffer om)
{
om.Write(PluginName);
om.Write(MethodName);
om.Write(RspType);
if (RspType == StringDataType)
{
om.Write(StringCommandRsp);
}
else if (RspType == BinaryDataType)
{
om.Write(BinaryCommandRsp.Length);
om.Write(BinaryCommandRsp);
}
}
static unsafe void Main(string[] args)
{
// JIT stuff
NetBuffer msg = new NetBuffer(20);
msg.Write((short)short.MaxValue);
// Go
double timeStart = NetTime.Now;
msg = new NetBuffer(20);
for (int n = 0; n < 10000; n++)
{
msg.Reset();
msg.Write((short)short.MaxValue);
msg.Write((short)short.MinValue);
msg.Write((short)-42);
msg.Write(421);
msg.Write((byte)7);
msg.Write(-42.8f);
if (msg.LengthBytes != 15)
throw new Exception("Bad message length");
msg.Write("duke of earl");
int bytesWritten;
bytesWritten = msg.WriteVariableInt32(-1);
bytesWritten = msg.WriteVariableInt32(5);
bytesWritten = msg.WriteVariableInt32(-18);
bytesWritten = msg.WriteVariableInt32(42);
bytesWritten = msg.WriteVariableInt32(-420);
msg.Write((uint)9991);
// byte boundary kept until here
msg.Write(true);
msg.Write((uint)3, 5);
msg.Write(8.111f);
msg.Write("again");
byte[] arr = new byte[] { 1, 6, 12, 24 };
msg.Write(arr);
msg.Write((byte)7, 7);
msg.Write(Int32.MinValue);
msg.Write(UInt32.MaxValue);
msg.WriteRangedSingle(21.0f, -10, 50, 12);
// test reduced bit signed writing
msg.Write(15, 5);
msg.Write(2, 5);
msg.Write(0, 5);
msg.Write(-1, 5);
msg.Write(-2, 5);
msg.Write(-15, 5);
msg.Write(UInt64.MaxValue);
msg.Write(Int64.MaxValue);
msg.Write(Int64.MinValue);
msg.Write(42);
msg.WritePadBits();
int numBits = msg.WriteRangedInteger(0, 10, 5);
if (numBits != 4)
throw new Exception("Ack WriteRangedInteger failed");
// verify
msg.Position = 0;
short a = msg.ReadInt16();
short b = msg.ReadInt16();
short c = msg.ReadInt16();
if (a != short.MaxValue || b != short.MinValue || c != -42)
throw new Exception("Ack thpth short failed");
if (msg.ReadInt32() != 421)
throw new Exception("Ack thphth 1");
if (msg.ReadByte() != (byte)7)
throw new Exception("Ack thphth 2");
if (msg.ReadSingle() != -42.8f)
throw new Exception("Ack thphth 3");
if (msg.ReadString() != "duke of earl")
throw new Exception("Ack thphth 4");
if (msg.ReadVariableInt32() != -1) throw new Exception("ReadVariableInt32 failed 1");
if (msg.ReadVariableInt32() != 5) throw new Exception("ReadVariableInt32 failed 2");
if (msg.ReadVariableInt32() != -18) throw new Exception("ReadVariableInt32 failed 3");
if (msg.ReadVariableInt32() != 42) throw new Exception("ReadVariableInt32 failed 4");
if (msg.ReadVariableInt32() != -420) throw new Exception("ReadVariableInt32 failed 5");
if (msg.ReadUInt32() != 9991)
throw new Exception("Ack thphth 4.5");
if (msg.ReadBoolean() != true)
throw new Exception("Ack thphth 5");
if (msg.ReadUInt32(5) != (uint)3)
throw new Exception("Ack thphth 6");
if (msg.ReadSingle() != 8.111f)
throw new Exception("Ack thphth 7");
if (msg.ReadString() != "again")
throw new Exception("Ack thphth 8");
byte[] rrr = msg.ReadBytes(4);
if (rrr[0] != arr[0] || rrr[1] != arr[1] || rrr[2] != arr[2] || rrr[3] != arr[3])
throw new Exception("Ack thphth 9");
if (msg.ReadByte(7) != 7)
throw new Exception("Ack thphth 10");
if (msg.ReadInt32() != Int32.MinValue)
throw new Exception("Ack thphth 11");
if (msg.ReadUInt32() != UInt32.MaxValue)
throw new Exception("Ack thphth 12");
float v = msg.ReadRangedSingle(-10, 50, 12);
// v should be close to, but not necessarily exactly, 21.0f
if ((float)Math.Abs(21.0f - v) > 0.1f)
throw new Exception("Ack thphth *RangedSingle() failed");
if (msg.ReadInt32(5) != 15)
throw new Exception("Ack thphth ReadInt32 1");
if (msg.ReadInt32(5) != 2)
throw new Exception("Ack thphth ReadInt32 2");
if (msg.ReadInt32(5) != 0)
throw new Exception("Ack thphth ReadInt32 3");
if (msg.ReadInt32(5) != -1)
throw new Exception("Ack thphth ReadInt32 4");
if (msg.ReadInt32(5) != -2)
throw new Exception("Ack thphth ReadInt32 5");
if (msg.ReadInt32(5) != -15)
throw new Exception("Ack thphth ReadInt32 6");
UInt64 longVal = msg.ReadUInt64();
if (longVal != UInt64.MaxValue)
throw new Exception("Ack thphth UInt64");
if (msg.ReadInt64() != Int64.MaxValue)
throw new Exception("Ack thphth Int64");
if (msg.ReadInt64() != Int64.MinValue)
throw new Exception("Ack thphth Int64");
if (msg.ReadInt32() != 42)
throw new Exception("Ack thphth end");
msg.SkipPadBits();
if (msg.ReadRangedInteger(0, 10) != 5)
throw new Exception("Ack thphth ranged integer");
}
// test writevariableuint64
NetBuffer largeBuffer = new NetBuffer(100 * 8);
UInt64[] largeNumbers = new ulong[100];
for (int i = 0; i < 100; i++)
{
largeNumbers[i] = ((ulong)NetRandom.Instance.NextUInt() << 32) | (ulong)NetRandom.Instance.NextUInt();
largeBuffer.WriteVariableUInt64(largeNumbers[i]);
}
largeBuffer.Position = 0;
for (int i = 0; i < 100; i++)
{
UInt64 ln = largeBuffer.ReadVariableUInt64();
if (ln != largeNumbers[i])
throw new Exception("large fail");
}
//
// Extended tests on padbits
//
for (int i = 1; i < 31; i++)
{
NetBuffer buf = new NetBuffer();
buf.Write((int)1, i);
if (buf.LengthBits != i)
throw new Exception("Bad length!");
buf.WritePadBits();
int wholeBytes = buf.LengthBits / 8;
if (wholeBytes * 8 != buf.LengthBits)
throw new Exception("WritePadBits failed! Length is " + buf.LengthBits);
}
NetBuffer small = new NetBuffer(100);
byte[] rnd = new byte[24];
int[] bits = new int[24];
for (int i = 0; i < 24; i++)
{
rnd[i] = (byte)NetRandom.Instance.Next(0, 65);
bits[i] = NetUtility.BitsToHoldUInt((uint)rnd[i]);
small.Write(rnd[i], bits[i]);
}
small.Position = 0;
for (int i = 0; i < 24; i++)
{
byte got = small.ReadByte(bits[i]);
if (got != rnd[i])
throw new Exception("Failed small allocation test");
}
double timeEnd = NetTime.Now;
double timeSpan = timeEnd - timeStart;
Console.WriteLine("Trivial tests passed in " + (timeSpan * 1000.0) + " milliseconds");
Console.WriteLine("Creating client and server for live testing...");
NetConfiguration config = new NetConfiguration("unittest");
config.Port = 14242;
NetServer server = new NetServer(config);
NetBuffer serverBuffer = new NetBuffer();
server.Start();
config = new NetConfiguration("unittest");
NetClient client = new NetClient(config);
client.SetMessageTypeEnabled(NetMessageType.Receipt, true);
NetBuffer clientBuffer = client.CreateBuffer();
client.Start();
client.Connect("127.0.0.1", 14242);
List<string> events = new List<string>();
double end = double.MaxValue;
double disconnect = double.MaxValue;
while (NetTime.Now < end)
{
double now = NetTime.Now;
NetMessageType nmt;
NetConnection sender;
//
// client
//
if (client.ReadMessage(clientBuffer, out nmt))
{
switch (nmt)
{
case NetMessageType.StatusChanged:
Console.WriteLine("Client: " + client.Status + " (" + clientBuffer.ReadString() + ")");
events.Add("CStatus " + client.Status);
if (client.Status == NetConnectionStatus.Connected)
{
// send reliable message
NetBuffer buf = client.CreateBuffer();
buf.Write(true);
buf.Write((int)52, 7);
buf.Write("Hallon");
client.SendMessage(buf, NetChannel.ReliableInOrder1, new NetBuffer("kokos"));
}
if (client.Status == NetConnectionStatus.Disconnected)
end = NetTime.Now + 1.0; // end in one second
break;
case NetMessageType.Receipt:
events.Add("CReceipt " + clientBuffer.ReadString());
break;
case NetMessageType.ConnectionRejected:
case NetMessageType.BadMessageReceived:
throw new Exception("Failed: " + nmt);
case NetMessageType.DebugMessage:
// silently ignore
break;
default:
// ignore
Console.WriteLine("Ignored: " + nmt);
break;
}
}
//
// server
//
if (server.ReadMessage(serverBuffer, out nmt, out sender))
{
switch (nmt)
{
case NetMessageType.StatusChanged:
events.Add("SStatus " + sender.Status);
Console.WriteLine("Server: " + sender.Status + " (" + serverBuffer.ReadString() + ")");
break;
case NetMessageType.ConnectionRejected:
case NetMessageType.BadMessageReceived:
throw new Exception("Failed: " + nmt);
case NetMessageType.Data:
events.Add("DataRec " + serverBuffer.LengthBits);
bool shouldBeTrue = serverBuffer.ReadBoolean();
int shouldBeFifthTwo = serverBuffer.ReadInt32(7);
string shouldBeHallon = serverBuffer.ReadString();
if (shouldBeTrue != true ||
shouldBeFifthTwo != 52 ||
shouldBeHallon != "Hallon")
throw new Exception("Bad data transmission");
disconnect = now + 1.0;
break;
case NetMessageType.DebugMessage:
// silently ignore
break;
default:
// ignore
Console.WriteLine("Ignored: " + nmt);
break;
}
}
if (now > disconnect)
{
server.Connections[0].Disconnect("Bye", 0.1f);
disconnect = double.MaxValue;
}
}
// verify events
string[] expected = new string[] {
"CStatus Connecting",
"SStatus Connecting",
"CStatus Connected",
"SStatus Connected",
"DataRec 64",
"CReceipt kokos",
"SStatus Disconnecting",
"CStatus Disconnecting",
"SStatus Disconnected",
"CStatus Disconnected"
};
if (events.Count != expected.Length)
throw new Exception("Mismatch in events count! Expected " + expected.Length + ", got " + events.Count);
for(int i=0;i<expected.Length;i++)
{
if (events[i] != expected[i])
throw new Exception("Event " + i + " (" + expected[i] + ") mismatched!");
}
Console.WriteLine("All tests successful");
Console.ReadKey();
server.Shutdown("App exiting");
client.Shutdown("App exiting");
}
public static void Main(string[] args)
{
setupNetwork();
// create a buffer to read data into
NetBuffer buffer = client.CreateBuffer();
s_keepGoing = true;
while (s_keepGoing)
{
NetMessageType type;
// check if any messages has been received
while (client.ReadMessage(buffer, out type))
{
switch (type)
{
case NetMessageType.ServerDiscovered:
// just connect to any server found!
// make hail
NetBuffer buf = client.CreateBuffer();
buf.Write("Hail from " + Environment.MachineName);
client.Connect(buffer.ReadIPEndPoint(), buf.ToArray());
break;
case NetMessageType.ConnectionRejected:
Console.WriteLine("Rejected: " + buffer.ReadString());
break;
case NetMessageType.DebugMessage:
case NetMessageType.VerboseDebugMessage:
Console.WriteLine(buffer.ReadString());
break;
case NetMessageType.StatusChanged:
string statusMessage = buffer.ReadString();
Console.WriteLine("New status: (" + statusMessage + ")");
break;
case NetMessageType.Data:
// The server sent this data!
string msg = buffer.ReadString();
Console.WriteLine(msg);
break;
}
}
update();
if (client.Status == NetConnectionStatus.Connected)
{
NetBuffer sendBuffer = new NetBuffer();
sendBuffer.Write(" ApacheNetworkObject:VBS2:foo:" + _x + ":" + _y + ":" + _z + ":" + _pitch + ":" + _yaw + ":" + _roll);
client.SendMessage(sendBuffer, NetChannel.ReliableInOrder14);
}
else
{
Console.Out.WriteLine("Client lost connection....");
s_keepGoing = false;
}
Thread.Sleep(10);
}
client.Shutdown("Application exiting");
}
/*
=============
SV_EmitPacketEntities
Writes a delta update of an entityState_t list to the message.
=============
*/
void EmitPacketEntities(clientSnapshot_t from, clientSnapshot_t to, NetBuffer msg)
{
int fromnumentities = 0;
if (from != null)
fromnumentities = from.num_entities;
Common.entityState_t oldent = null, newent = null;
int oldindex = 0, newindex = 0;
int newnum, oldnum;
while (newindex < to.num_entities || oldindex < fromnumentities)
{
if (newindex >= to.num_entities)
newnum = 9999;
else
{
newent = snapshotEntities[(to.first_entity + newindex) % numSnapshotEntities];
newnum = newent.number;
}
if (oldindex >= fromnumentities)
oldnum = 9999;
else
{
oldent = snapshotEntities[(from.first_entity + oldindex) % numSnapshotEntities];
oldnum = oldent.number;
}
if (newnum == oldnum)
{
// delta update from old position
// because the force parm is qfalse, this will not result
// in any bytes being emited if the entity has not changed at all
Net.Instance.MSG_WriteDeltaEntity(msg, ref oldent, ref newent, false);
oldindex++;
newindex++;
continue;
}
if (newnum < oldnum)
{
// this is a new entity, send it from the baseline
Net.Instance.MSG_WriteDeltaEntity(msg, ref sv.svEntities[newnum].baseline, ref newent, true);
newindex++;
continue;
}
if (newnum > oldnum)
{
// the old entity isn't present in the new message
Common.entityState_t nullEnt = null;
Net.Instance.MSG_WriteDeltaEntity(msg, ref oldent, ref nullEnt, true);
oldindex++;
continue;
}
}
msg.Write(1023); // end of packetentities
}
private void WriteRoundStartMessage(NetBuffer buffer, Player player)
{
if (player == null)
{
buffer.Write(false); // player is not ready
buffer.Write(true); // player needs field state
}
else
{
buffer.Write(player.IsReady);
buffer.Write(player.needsFieldState);
}
}
private void WriteRoundEndMessage(NetBuffer buffer, Player player)
{
buffer.Write(player.IsReady);
buffer.Write(player.needsRoundResults);
}
void WriteSnapshotToClient(client_t cl, NetBuffer msg)
{
// this is the snapshot we are creating
clientSnapshot_t frame = cl.frames[cl.netchan.outgoingSequence & 31];
// try to use a previous frame as the source for delta compressing the snapshot
clientSnapshot_t oldframe = null;
int lastframe;
if (cl.deltaMessage <= 0 || cl.state != clientState_t.CS_ACTIVE)
{
// client is asking for a retransmit
oldframe = null;
lastframe = 0;
}
else if (cl.netchan.outgoingSequence - cl.deltaMessage >= (32 - 3))
{
// client hasn't gotten a good message through in a long time
Common.Instance.WriteLine("{0}: Delta request from out of date packet.", cl.name);
oldframe = null;
lastframe = 0;
}
else
{
// we have a valid snapshot to delta from
oldframe = cl.frames[cl.deltaMessage & 31];
lastframe = cl.netchan.outgoingSequence - cl.deltaMessage;
// the snapshot's entities may still have rolled off the buffer, though
if (oldframe.first_entity <= nextSnapshotEntities - numSnapshotEntities)
{
Common.Instance.WriteLine("{0}: Delta request from out of date entities.", cl.name);
oldframe = null;
lastframe = 0;
}
}
msg.Write((byte)svc_ops_e.svc_snapshot);
// send over the current server time so the client can drift
// its view of time to try to match
if (cl.oldServerTime > 0)
{
// The server has not yet got an acknowledgement of the
// new gamestate from this client, so continue to send it
// a time as if the server has not restarted. Note from
// the client's perspective this time is strictly speaking
// incorrect, but since it'll be busy loading a map at
// the time it doesn't really matter.
msg.Write((int)(sv.time + cl.oldServerTime));
}
else
msg.Write((int)sv.time);
// what we are delta'ing from
msg.Write((byte)lastframe);
int snapFlags = snapFlagServerBit;
if (cl.rateDelayed)
snapFlags |= SNAPFLAG_RATE_DELAYED;
if (cl.state != clientState_t.CS_ACTIVE)
snapFlags |= SNAPFLAG_NOT_ACTIVE;
msg.Write((byte)snapFlags);
// send over the areabits
msg.Write((byte)frame.areabytes);
msg.Write(frame.areabits);
// delta encode the playerstate
if (oldframe != null)
Net.WriteDeltaPlayerstate(msg, oldframe.ps, frame.ps);
else
Net.WriteDeltaPlayerstate(msg, null, frame.ps);
// delta encode the entities
EmitPacketEntities(oldframe, frame, msg);
}
static void Main(string[] args)
{
// create a client with a default configuration
NetConfiguration config = new NetConfiguration("chatApp");
NetClient client = new NetClient(config);
client.SetMessageTypeEnabled(NetMessageType.ConnectionRejected, true);
client.SetMessageTypeEnabled(NetMessageType.DebugMessage, true);
//client.SetMessageTypeEnabled(NetMessageType.VerboseDebugMessage, true);
client.Start();
// Wait half a second to allow server to start up if run via Visual Studio
Thread.Sleep(500);
// Emit discovery signal
client.DiscoverLocalServers(14242);
// create a buffer to read data into
NetBuffer buffer = client.CreateBuffer();
// current input string
string input = "";
// keep running until the user presses a key
Console.WriteLine("Type 'quit' to exit client");
Console.CancelKeyPress += new ConsoleCancelEventHandler(Console_CancelKeyPress);
s_keepGoing = true;
while (s_keepGoing)
{
NetMessageType type;
// check if any messages has been received
while (client.ReadMessage(buffer, out type))
{
switch (type)
{
case NetMessageType.ServerDiscovered:
// just connect to any server found!
// make hail
NetBuffer buf = client.CreateBuffer();
buf.Write("Hail from " + Environment.MachineName);
client.Connect(buffer.ReadIPEndPoint(), buf.ToArray());
break;
case NetMessageType.ConnectionRejected:
Console.WriteLine("Rejected: " + buffer.ReadString());
break;
case NetMessageType.DebugMessage:
case NetMessageType.VerboseDebugMessage:
Console.WriteLine(buffer.ReadString());
break;
case NetMessageType.StatusChanged:
string statusMessage = buffer.ReadString();
NetConnectionStatus newStatus = (NetConnectionStatus)buffer.ReadByte();
Console.WriteLine("New status: " + newStatus + " (" + statusMessage + ")");
break;
case NetMessageType.Data:
// The server sent this data!
string msg = buffer.ReadString();
Console.WriteLine(msg);
break;
}
}
while (Console.KeyAvailable)
{
ConsoleKeyInfo ki = Console.ReadKey();
if (ki.Key == ConsoleKey.Enter)
{
if (!string.IsNullOrEmpty(input))
{
if (input == "quit")
{
// exit application
s_keepGoing = false;
}
else
{
// Send chat message
NetBuffer sendBuffer = new NetBuffer();
sendBuffer.Write(input);
client.SendMessage(sendBuffer, NetChannel.ReliableInOrder1);
input = "";
}
}
}
else
{
input += ki.KeyChar;
}
}
Thread.Sleep(1);
}
client.Shutdown("Application exiting");
}
public virtual void Write(NetBuffer om)
{
om.Position = 0;
om.Write(Id);
om.WriteAllProperties(this);
}
/*
==================
SV_UpdateServerCommandsToClient
(re)send all server commands the client hasn't acknowledged yet
==================
*/
void UpdateServerCommandsToClient(client_t cl, NetBuffer msg)
{
// write any unacknowledged serverCommands
for (int i = cl.reliableAcknowledge+1; i <= cl.reliableSequence; i++)
{
msg.Write((byte)svc_ops_e.svc_serverCommand);
msg.Write(i);
msg.Write(cl.reliableCommands[i & 63]);
}
cl.reliableSent = cl.reliableSequence;
}
public void WriteToBuffer(NetBuffer buffer)
{
buffer.Write((byte)CommandType.ParticleUpdate);
buffer.Write(this.game.Time.NumericValue);
buffer.Write((byte)this.parameters.Count);
foreach (var p in this.parameters)
{
buffer.Write(p);
}
}
public void Write(NetBuffer om)
{
om.Write(Command);
}
// TODO: Use this with TRUE isLibraryThread for internal sendings (acks etc)
internal void SendMessage(NetBuffer data, NetChannel channel, NetBuffer receiptData, bool isLibraryThread)
{
if (m_status != NetConnectionStatus.Connected)
{
throw new NetException("Status must be Connected to send messages");
}
if (data.LengthBytes > m_owner.m_config.m_maximumTransmissionUnit)
{
//
// Fragmented message
//
int dataLen = data.LengthBytes;
int chunkSize = m_owner.m_config.m_maximumTransmissionUnit - 10; // header
int numFragments = dataLen / chunkSize;
if (chunkSize * numFragments < dataLen)
{
numFragments++;
}
ushort fragId = m_nextSendFragmentId++;
for (int i = 0; i < numFragments; i++)
{
OutgoingNetMessage fmsg = m_owner.CreateOutgoingMessage();
fmsg.m_type = NetMessageLibraryType.UserFragmented;
fmsg.m_msgType = NetMessageType.Data;
NetBuffer fragBuf = m_owner.CreateBuffer();
fragBuf.Write(fragId);
fragBuf.WriteVariableUInt32((uint)i);
fragBuf.WriteVariableUInt32((uint)numFragments);
if (i < numFragments - 1)
{
// normal fragment
fragBuf.Write(data.Data, i * chunkSize, chunkSize);
}
else
{
// last fragment
int bitsInLast = data.LengthBits - (chunkSize * (numFragments - 1) * 8);
int bytesInLast = dataLen - (chunkSize * (numFragments - 1));
fragBuf.Write(data.Data, i * chunkSize, bytesInLast);
// add receipt only to last message
fmsg.m_receiptData = receiptData;
}
fmsg.m_data = fragBuf;
fmsg.m_data.m_refCount = 1; // since it's just been created
fmsg.m_numSent = 0;
fmsg.m_nextResend = double.MaxValue;
fmsg.m_sequenceChannel = channel;
fmsg.m_sequenceNumber = -1;
if (isLibraryThread)
{
m_unsentMessages.Enqueue(fmsg);
}
else
{
lock (m_lockedUnsentMessages)
m_lockedUnsentMessages.Enqueue(fmsg);
}
}
// TODO: recycle the original, unfragmented data
return;
}
//
// Normal, unfragmented, message
//
OutgoingNetMessage msg = m_owner.CreateOutgoingMessage();
msg.m_msgType = NetMessageType.Data;
msg.m_type = NetMessageLibraryType.User;
msg.m_data = data;
msg.m_data.m_refCount++; // it could have been sent earlier also
msg.m_numSent = 0;
msg.m_nextResend = double.MaxValue;
msg.m_sequenceChannel = channel;
msg.m_sequenceNumber = -1;
msg.m_receiptData = receiptData;
if (isLibraryThread)
{
m_unsentMessages.Enqueue(msg);
}
else
{
lock (m_lockedUnsentMessages)
m_lockedUnsentMessages.Enqueue(msg);
}
}
public void Write(NetBuffer om)
{
om.Write(ConnectionType);
}
/*
==================
MSG_WriteDeltaEntity
Writes part of a packetentities message, including the entity number.
Can delta from either a baseline or a previous packet_entity
If to is NULL, a remove entity update will be sent
If force is not set, then nothing at all will be generated if the entity is
identical, under the assumption that the in-order delta code will catch it.
==================
*/
public void MSG_WriteDeltaEntity(NetBuffer msg, ref Common.entityState_t from, ref Common.entityState_t to, bool force)
{
int msgStart = msg.LengthBits;
// a NULL to is a delta remove message
if (to == null)
{
if (from == null)
return;
msg.Write(from.number);
msg.Write(true);
return;
}
if (to.number < 0 || to.number >= 1024)
{
Common.Instance.Error("MSG_WriteDeltaEntity: Bad entity number: " + to.number);
}
NetBuffer buf = new NetBuffer();
//NetBuffer buf = msg;
int lc = 0;
//if (from.number != to.number) { lc = 1; buf.Write(true); buf.Write(to.number); } else { buf.Write(false); }
if (from.eType != to.eType) { lc = 2; buf.Write(true); buf.Write(to.eType); } else { buf.Write(false); }
if (from.eFlags != to.eFlags) { lc = 3; buf.Write(true); buf.Write((int)to.eFlags); } else { buf.Write(false); }
int middle = buf.LengthBits;
if (from.pos.trBase.X != to.pos.trBase.X) { lc = 4; buf.Write(true); buf.Write(to.pos.trBase.X); } else { buf.Write(false); }
if (from.pos.trBase.Y != to.pos.trBase.Y) { lc = 5; buf.Write(true); buf.Write(to.pos.trBase.Y); } else { buf.Write(false); }
if (from.pos.trBase.Z != to.pos.trBase.Z) { lc = 6; buf.Write(true); buf.Write(to.pos.trBase.Z); } else { buf.Write(false); }
if (from.pos.trDelta.X != to.pos.trDelta.X) {
lc = 7; buf.Write(true); buf.Write(to.pos.trDelta.X); } else { buf.Write(false); }
if (from.pos.trDelta.Y != to.pos.trDelta.Y) { lc = 8; buf.Write(true); buf.Write(to.pos.trDelta.Y); } else { buf.Write(false); }
if (from.pos.trDelta.Z != to.pos.trDelta.Z) { lc = 9; buf.Write(true); buf.Write(to.pos.trDelta.Z); } else { buf.Write(false); }
if (from.pos.trDuration != to.pos.trDuration) { lc = 10; buf.Write(true); buf.Write(to.pos.trDuration); } else { buf.Write(false); }
if (from.pos.trTime != to.pos.trTime) { lc = 11; buf.Write(true); buf.Write(to.pos.trTime); } else { buf.Write(false); }
if (from.pos.trType != to.pos.trType) { lc = 12; buf.Write(true); buf.Write((int)to.pos.trType); } else { buf.Write(false); }
if (from.apos.trBase.X != to.apos.trBase.X) { lc = 13; buf.Write(true); buf.Write(to.apos.trBase.X); } else { buf.Write(false); }
if (from.apos.trBase.Y != to.apos.trBase.Y) { lc = 14; buf.Write(true); buf.Write(to.apos.trBase.Y); } else { buf.Write(false); }
if (from.apos.trBase.Z != to.apos.trBase.Z) { lc = 15; buf.Write(true); buf.Write(to.apos.trBase.Z); } else { buf.Write(false); }
if (from.apos.trDelta.X != to.apos.trDelta.X) { lc = 16; buf.Write(true); buf.Write(to.apos.trDelta.X); } else { buf.Write(false); }
if (from.apos.trDelta.Y != to.apos.trDelta.Y) { lc = 17; buf.Write(true); buf.Write(to.apos.trDelta.Y); } else { buf.Write(false); }
if (from.apos.trDelta.Z != to.apos.trDelta.Z) { lc = 18; buf.Write(true); buf.Write(to.apos.trDelta.Z); } else { buf.Write(false); }
if (from.apos.trDuration != to.apos.trDuration) { lc = 19; buf.Write(true); buf.Write(to.apos.trDuration); } else { buf.Write(false); }
if (from.apos.trTime != to.apos.trTime) { lc = 20; buf.Write(true); buf.Write(to.apos.trTime); } else { buf.Write(false); }
if (from.apos.trType != to.apos.trType) { lc = 21; buf.Write(true); buf.Write((int)to.apos.trType); } else { buf.Write(false); }
if (from.time != to.time) { lc = 22; buf.Write(true); buf.Write(to.time); } else { buf.Write(false); }
if (from.time2 != to.time2) { lc = 23; buf.Write(true); buf.Write(to.time2); } else { buf.Write(false); }
if (from.origin.X != to.origin.X) { lc = 24; buf.Write(true); buf.Write(to.origin.X); } else { buf.Write(false); }
if (from.origin.Y != to.origin.Y) { lc = 25; buf.Write(true); buf.Write(to.origin.Y); } else { buf.Write(false); }
if (from.origin.Z != to.origin.Z) { lc = 26; buf.Write(true); buf.Write(to.origin.Z); } else { buf.Write(false); }
if (from.origin2.X != to.origin2.X) { lc = 27; buf.Write(true); buf.Write(to.origin2.X); } else { buf.Write(false); }
if (from.origin2.Y != to.origin2.Y) { lc = 28; buf.Write(true); buf.Write(to.origin2.Y); } else { buf.Write(false); }
if (from.origin2.Z != to.origin2.Z) { lc = 29; buf.Write(true); buf.Write(to.origin2.Z); } else { buf.Write(false); }
if (from.angles.X != to.angles.X) { lc = 30; buf.Write(true); buf.Write(to.angles.X); } else { buf.Write(false); }
if (from.angles.Y != to.angles.Y) { lc = 31; buf.Write(true); buf.Write(to.angles.Y); } else { buf.Write(false); }
if (from.angles.Z != to.angles.Z) { lc = 32; buf.Write(true); buf.Write(to.angles.Z); } else { buf.Write(false); }
if (from.angles2.X != to.angles2.X) { lc = 33; buf.Write(true); buf.Write(to.angles2.X); } else { buf.Write(false); }
if (from.angles2.Y != to.angles2.Y) { lc = 34; buf.Write(true); buf.Write(to.angles2.Y); } else { buf.Write(false); }
if (from.angles2.Z != to.angles2.Z) { lc = 35; buf.Write(true); buf.Write(to.angles2.Z); } else { buf.Write(false); }
if (from.otherEntityNum != to.otherEntityNum) { lc = 36; buf.Write(true); buf.Write(to.otherEntityNum); } else { buf.Write(false); }
if (from.otherEntityNum2 != to.otherEntityNum2) { lc = 37; buf.Write(true); buf.Write(to.otherEntityNum2); } else { buf.Write(false); }
if (from.groundEntityNum != to.groundEntityNum) { lc = 38; buf.Write(true); buf.Write(to.groundEntityNum); } else { buf.Write(false); }
if (from.modelindex != to.modelindex) { lc = 39; buf.Write(true); buf.Write(to.modelindex); } else { buf.Write(false); }
if (from.clientNum != to.clientNum) { lc = 40; buf.Write(true); buf.Write(to.clientNum); } else { buf.Write(false); }
if (from.frame != to.frame) { lc = 41; buf.Write(true); buf.Write(to.frame); } else { buf.Write(false); }
if (from.solid != to.solid) { lc = 42; buf.Write(true); buf.Write(to.solid); } else { buf.Write(false); }
if (from.generic1 != to.generic1) { lc = 43; buf.Write(true); buf.Write(to.generic1); } else { buf.Write(false); }
if (lc == 0)
{
// nothing at all changed
if (!force)
{
return; // nothing at all
}
// write two bits for no change
msg.Write(to.number);
msg.Write(false); // not removed
msg.Write(false); // no delta
return;
}
msg.Write(to.number);
msg.Write(false); // not removed
msg.Write(true); // we have a delta
//msg.Write(lc); // # of changes
//msg.CopyFrom(buf);
int msgPos = msg.LengthBits;
//msg.Write(buf.Data);
WriteDeltaEntityHags(msg, ref from,ref to);
msg.Write(buf.LengthBits);
//Common.Instance.WriteLine("MSG_WriteDeltaEntity: Wrote {0} bits", msg.LengthBits - msgStart);
}
//public static void WriteMessageToRemotePlayer(NetPeer peer, GameOptions gameOpts)
//{
// byte[] serializedGameOptions;
// MemoryStream ms = new MemoryStream();
// BinaryFormatter bf1 = new BinaryFormatter();
// bf1.Serialize(ms, gameOpts);
// serializedGameOptions = ms.ToArray();
// NetBuffer buffer = new NetBuffer(serializedGameOptions);
// peer.SendToAll(buffer, NetChannel.ReliableInOrder1);
//}
public static void WriteMessageToRemotePlayer(NetPeer peer, String msg)
{
Lidgren.Network.NetBuffer buff = new Lidgren.Network.NetBuffer();
buff.Write(msg);
peer.SendToAll(buff, Lidgren.Network.NetChannel.ReliableInOrder1);
}
private static void SendPacket()
{
NetBuffer buf = m_client.CreateBuffer();
buf.EnsureBufferSize(m_nextSize * 8);
int cnt = m_nextSize / 4;
for (int i = 0; i < cnt; i++)
buf.Write(i);
NativeMethods.AppendText(m_mainForm.richTextBox1, "Sending " + m_nextSize + " byte packet");
// any receipt data will do
NetBuffer receipt = new NetBuffer(4);
receipt.Write(m_nextSize);
m_client.SendMessage(buf, NetChannel.ReliableInOrder4, receipt);
}
void SendClientSnapshot(client_t client, int index)
{
// build the snapshot
BuildClientSnapshot(client, index);
NetBuffer msg = new NetBuffer();
// let the client know which reliable clientCommands we have received
msg.Write(client.lastClientCommand);
// (re)send any reliable server commands
UpdateServerCommandsToClient(client, msg);
// send over all the relevant entityState_t
// and the playerState_t
WriteSnapshotToClient(client, msg);
SendMessageToClient(msg, client);
}
protected override NetBuffer ProcessInboundMessage(NetBuffer message)
{
switch(cryptoState)
{
case CryptoHostState.Connected:
{
int code = message.ReadInt32();
if (code == RSA_KEY_MESSAGE)
{
XmlSerializer s = new XmlSerializer(typeof(RSAParameters));
string b = message.ReadString();
StringReader reader = new StringReader(b);
RSAKey = (RSAParameters)s.Deserialize(reader);
RSA = new RSACryptoServiceProvider();
RSA.ImportParameters(RSAKey);
NetBuffer msg = new NetBuffer();
msg.Write((Int32)CRYPTO_SECRET_MESSAGE);
byte[] secret = RSA.Encrypt(MakeSecret(),false);
msg.Write((Int32)secret.Length);
msg.Write(secret);
client.SendMessage(msg,NetChannel.ReliableInOrder1);
cryptoState = CryptoHostState.SentSecret;
}
else
{
cryptoState = CryptoHostState.Invalid;
client.Disconnect("Bad Crypto");
}
}
return null;
case CryptoHostState.SentSecret:
{
int code = message.ReadInt32();
if (code == CRYPTO_SECRET_VERIFY)
{
// set em as real and let the base class call any events it needs to
string verify = new UTF8Encoding().GetString(DecryptBuffer(message.ReadBytes(message.ReadInt32())));
NetBuffer b = new NetBuffer();
b.Write(CRYPTO_SECRET_VERIFY);
byte[] cryptoBuffer = EncryptBuffer(new UTF8Encoding().GetBytes(verify));
b.Write(cryptoBuffer.Length);
b.Write(cryptoBuffer);
client.SendMessage(b, NetChannel.ReliableInOrder1);
cryptoState = CryptoHostState.SentVerify;
}
else
{
cryptoState = CryptoHostState.Invalid;
client.Disconnect("Bad Crypto");
}
}
return null;
case CryptoHostState.SentVerify:
{
int code = message.ReadInt32();
if (code == CRYPTO_ACCEPT)
{
cryptoState = CryptoHostState.Authenticated;
base.Connected(message);
}
else
{
cryptoState = CryptoHostState.Invalid;
client.Disconnect("Bad Crypto");
}
}
return null;
case CryptoHostState.Authenticated:
return new NetBuffer(DecryptBuffer(message.ReadBytes(message.LengthBytes)));
}
return message;
}
